How to Pair / Link iPod nano 7th Gen with Nike+ sensor - YouTube
Bean Pod 2 Pk: Universal Nike+ iPod Sensor Holder - Nike Plus iPod Sensor Cases, Works w/ All Shoes: 1 Red Sensor Shoe Pouch and 1 Blue Sensor Shoe Pouch | Amazon
Apple Nike + iPod Sensorを万歩計代わりにする | 1.5流
On the Run With the iPod/Nike Fitness Device - WSJ
How the Nike + iPod Works | HowStuffWorks
Nike+ IPod = Surveillance | WIRED
Nike+iPod Sport Kit 関連アクセサリ | iPod/iPad/iPhoneのすべて